US3603607A - Toe iron for safety ski bindings - Google Patents

Toe iron for safety ski bindings Download PDF

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Publication number
US3603607A
US3603607A US760861A US3603607DA US3603607A US 3603607 A US3603607 A US 3603607A US 760861 A US760861 A US 760861A US 3603607D A US3603607D A US 3603607DA US 3603607 A US3603607 A US 3603607A
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United States
Prior art keywords
carrier
pivotal movement
spring
toe
toe iron
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US760861A
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English (en)
Inventor
Hannes Marker
Albert Gustav Oehlmann
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Marker International Co
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Individual
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Assigned to MARKER-PATENTVERWERTUNGSGESELLSCHAFT MBH., A SWISS CORP. reassignment MARKER-PATENTVERWERTUNGSGESELLSCHAFT MBH., A SWISS CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MARKER, HANNES
Assigned to MARKER INTERNATIONAL COMPANY reassignment MARKER INTERNATIONAL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MARKER-PATENTVERWERTUNGSGELLSCHAFT GMBH
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557Details of the release mechanism
    • A63C9/08571Details of the release mechanism using axis and lever
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557Details of the release mechanism
    • A63C9/08564Details of the release mechanism using cam or slide surface
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557Details of the release mechanism
    • A63C9/08578Details of the release mechanism using a plurality of biasing elements
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557Details of the release mechanism
    • A63C9/08585Details of the release mechanism using transverse biasing element
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/005Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0805Adjustment of the toe or heel holders; Indicators therefor

Definitions

  • the present invention relates to toe irons for safety ski bindings, which toe irons comprise two soleholders, which are pivoted on vertical axes to a common carrier and laterally engage the toe portion of the skiing boot above the sole and are normally locked against a pivotal movement therefore.
  • the carrier is mounted for pivotal movement against spring force about a vertical pivot pin on a toe iron part that is fixed to the ski.
  • toe irons which have a ball detent and in which a pivoted soleholder carrier is locked relatively to a part that is fixed to the ski
  • such known toe irons have the advantage that they do not present a rigid resistance to forces which act obliquely or transversely to the longitudinal direction of the ski, but resiliently take up the forces.
  • they have disadvantages which are undesirable in a safety toe iron intended for modern skiing.
  • the main disadvantage resides in that they do not positively and suddenly release the toe portion of the skiing boot at the end of a sufficiently large elastic zone. In various types of toe irons, the skiing boot must actually squeeze out of the toe iron and past the soleholder.
  • toe iron for safety ski bindings
  • toe iron comprises two soleholders, which are pivoted on vertical axes to a common carrier and laterally engage the toe portion of the skiing boot above the sole and are normally locked against a pivotal movement whereas the carrier is mounted for pivotal movement against spring force on a toe iron part that is fixed to the ski.
  • the carrier has for each soleholder a deflection-preventing means, which can be automatically disabled after a predetermined move ment of the carrying member from its central position into the corresponding direction.
  • the soleholder can continue its pivotal movement alone and in doing so need not overcome the progressively increasing force of the damping spring acting on the carrier, but only the force of an optional weak restoring spring.
  • the carrier is relieved and under the influence of the damping spring is returned to its normal position at the time when the means which prevent a deflection of the soleholder are disabled.
  • the soleholders In order to ensure a satisfactory function of the toe iron in a sufficiently large elastic range, the soleholders must not extend rearwardly beyond a certain extent, toward the rear end of the ski, so that they cannot provide for the toe portion of the skiing boot the lateral control which is required for crosscountry skiing.
  • the soleholders may be longer because the two means for preventing a deflection of the soleholders are connected to the carrier by a common pivoted plate.
  • the pivoted plate is preferably pivoted to the free end of the carrier by means of a vertical pivot pin and extends toward the pivot pin which mounts the carrier.
  • the pivotal axis of the pivoted plate is as close as possible to the toe portion of the skiing boot so that the blocking of the skiing boot during movements that are transverse to the longitudinal direction of the ski is virtually avoided with safety even where long soleholders are used which enable crosscountry skiing.
  • Each means for preventing a defection of a soleholder comprises suitably a locking pin, a locking lever, which is mounted on the soleholder for a pivotal movement against spring force, and a stop which is fixed to the ski and engageable by the locking lever. It has been found that the locking levers of both means for preventing a deflection of the soleholders are desirably under the action of a single spring element.
  • FIG. l is a central longitudinal sectional view showing a toe iron according to a first embodiment
  • FIG. 2 is a horizontal sectional view taken on line II-II through the toe iron of FIG. 1,
  • FIGS. 3 and i show respective halves of the toe iron in different phases of the release movement in the same view as in FIG. 2,
  • FIG. 5 is a central longitudinal sectional view taken through a toe iron according to a second embodiment
  • FIG. 6 is a horizontal sectional view taken on line VlVI through the toe iron of FIG. 5, and
  • FIG. 7 is a top plan view showing a third embodiment of a toe iron with the top cover cut away for a better representation of the parts which are essential for the invention.
  • FIGS. ii to i show a toe iron for safety ski bindings.
  • This toe iron comprises a baseplate l, which is secured by screws 2 to a ski 3 and carries a vertical pivot pin 4, on which a carrier 5 is pivotally mounted.
  • a disc ti is screw-connected to the pivot pin to hold the carrier against axial displacement.
  • the carrier is pivotally movable from its normal position toward both sides against the force of a helical compression spring 7, which is prestressed as required. This pivotal movement is limited by two stop pins ti, 9, which are provided on the baseplate ll and extend into slots lltl, lll ofthe carrier.
  • soleholders ltd, l5 are pivoted to the carrier 5 about vertical axes i2, 13.
  • Each soleholder has a holding part proper consisting ofa wing in or N. These wings laterally engage the toe portion of the skiing boot above the sole.
  • the wings are adjustably secured to the soleholders l4, 15 by means which are not described in detail because they are known.
  • a locking lever 20 or 21 is pivoted to each soleholder M or 15 on a vertical axis it or 19.
  • the locking nose of each locking lever embraces a locking pin 22 or 23, which is provided on the carrier 5.
  • the locking levers are two armed. Those arms which have no locking nose are under the action of a helical tension spring 24', which attempts to hold the locking levers in their locking position.
  • the arrangement of the locking levers is such that their nose directly engages the corresponding stop pin 3 or 9 immediate ly before the limiting position is reached so that the locking lever is pivotally moved against the relatively small force of the spring 24 and the locking lever is thus disengaged from the respective locking pin 22 or 23 so that the respective soleholder M or 115, which is normally locked against a pivotal movement relative to the carrying member 5, can perform such outward pivotal movement against the force of the spring
  • the prestressed helical compression spring 7 bears at both ends on a lug of the baseplate l and on the carrier 5 so that the latter is normally held in its central position shown in FIG. 2.
  • the wing 57 of the soleholder l5 e.g., is subjected to a force which is transverse to the longitudinal direction of the ski and exceeds the opposing force of the prestressed helical compres' sion spring '7, said force causes a pivotal movement of the carrier in a downward direction in FIG. 2.
  • the helical compression spring 7 causes a return of the carrying member 5 to its central position. Owing to the deflection-preventing means according to the invention, the soleholder has not moved relative to the carrier 5 during the outward and return pivotal movements.
  • FIG. 3 shows the instantaneous state in which the locking lever 2! just contacts the stop pin 9.
  • a small further pivotal movement of the carrier 5 effects a pivotal movement of the locking lever about the axis l9 against the force of the return spring 24 so that the nose of the locking lever is disengaged from the locking pin 23.
  • the soleholder can perform a virtually unhindered outward pivotal movement, which is opposed only by the force of the spring 24, whereas the carrier 5 returns to its normal position under the action of the spring 7.
  • FIG. 4 shows the toe iron at the time when the skiing boot is released because the carrier 5 has returned to its central position.
  • the force by which the skiing boot is urged against the toe iron does not exceed the force which is required for a reliable control of the ski. Besides, the release position is exactly defined on both sides.
  • FIGS. 5 and 6 show a toe iron which substantially corresponds to the design which has been described with reference to FIGS. 1 to 4. For this reason, the same reference characters are used for like parts. Contrary to the embodiment which has been described before, this embodiment enables an adjustment of the force required for a release.
  • the baseplate carries also a pivot pin 4 and forms a part of a guiding member 30, which is secured to the ski 3.
  • a carrier 31 is pivoted to the pivot pin 4 and is held by the disc 6 against axial displacement.
  • the carrier has a forked portion extending toward the tip of the ski.
  • the insides of the two fork prongs 32, 33 are parallel to each other and serve as spring abutments for a helical compression spring 34, which extends transversely to the longitudinal direction of the ski through a bore in a bearing bracket 35, which is displaceably mounted in the guiding member 30 in the longitudinal direction of the ski. It carries a nonrotatable bolt 36, which is threaded into a tapped bushing 37. The latter carries an actuating handle 38 and is rotatably and axially nondisplaceably mounted in a cover 39.
  • the sidewalls of the guiding member 30 form also abutments for the helical compression spring 34.
  • Each sidewall is provided with a horizontal slot 40 or 41, which receives one of the fork prongs 32 or 33 of the carrierfThe distance between the sidewalls equals the distance between the fork prongs.
  • a slot 42 which extends in the longitudinal direction of the ski is formed in the upper wall of the guiding member 30 and receives a pin 43, which is firmly connected to the bearing bracket 35 so that the position of the spring in the guiding member is apparent.
  • a scale for indicating the adjusted force which is required for a release is provided on one side of the slot in known manner, not shown. In the position shown in the drawing, the smallest force is required for a release because the spring has the smallest possible distance from the pivot pin 4. This distance can be increased by an actuation of the handle 38 so as to increase the force required for a release.
  • the deflection-preventing means for the soleholders correspond to those which are described with reference to FIGS. 1 to 4. Because the toe iron corresponds also in function to the one which has been previously described, that description is not repeated.
  • the Wings l6, 17 are mounted on the soleholders I4, 15 for adjustment in height so as to enable an adaptation to soles which differ in thickness. For an upward and downward adjustment of the wings it is sufficient to turn their retaining screws 44 or 45. The same adjustment is also possible in the embodiment described first.
  • FIG. 7 shows a third embodiment of the toe iron according to the invention.
  • a baseplate 50 is secured to the ski 3 by screws 2.
  • the baseplate carries a vertical pivot pin 4, on which a carrying member 51 is pivotally mounted, which at its free end carries a vertical pivot pin 52, which extends upwardly.
  • a pivoted plate 53 is freely rotatably mounted on the pivot pin 52.
  • the soleholders I4, 15 are carried on vertical pivots l2, 13 by the pivoted plate.
  • the soleholder 14 comprises a wing 54 and the soleholder I5 a wing 55.
  • These wings 54, 55 are longer than the wings l6, 17 of the previously described embodiments so that they provide for the required lateral control of the toe portion of the skiing boot also during cross-country skiing.
  • the locking pins 22, 23 serve also to cooperate with the locking noses of the locking levers 20, 21. In the present case, these locking pins are provided on the pivoted plate 53 rather than on the carrier.
  • the deflectionpreventing means and with them the soleholders are also under the action of a tension spring 24.
  • the pivotal movement of the carrier 51 is limited by two stop pins 8 and 9 carried by the baseplate. Just as in the embodiments previously described, these stop pins serve to release the means which prevent a deflection of the soleholders.
  • the carrying member is pivotally moved against a spring force, which just as in the other embodiments results in a decrease of the force and, when the deflection-preventing means have been released, a return movement of the carrier to its normal position.
  • the pivoted plate 53 is freely rotatably mounted on the carrying member 51.
  • the soleholders are returned by the force of the spring 24 when the skiing boot has been released; the soleholders are locked relative to the pivoted plate at the same time.
  • the pivotal axis of the pivoted plate is as close as possible to the toe portion of the skiing boot, the skiing boot cannot be blocked during the movement which is transverse to the longitudinal direction of the ski.
  • the wings of the soleholders facilitate the stepping into the binding.
  • the toe portion of the skiing boot is automatically centered in such a manner that the forward end of the sole finally engages the carrier in the first two embodiments and the pivoted plate in the latter embodiment.
  • a toe iron for safety ski bindings comprising a carrier mounted for pivotal movement relative to a ski, spring means biasing said carrier during pivotal movement of same tending to restore said carrier to its central position, two soleholders pivotally mounted to said carrier on vertical axes to engage laterally the toe portion of a skiing boot above its sole, lock means normally locking said soleholders against pivotal movement, said lock means comprising a locking lever mounted on each soleholder and a locking pin mounted to the carrier; and means coacting with said lock means for unlocking said lock means automatically after a predetermined pivotal movement of the carrier from its central position against the force of said spring means.
  • said means to displace said spring means includes a threaded bolt nonrotatably connected to a bearing bracket which is threaded received in a tapped bushing connected in turn with an actuating handle, said tapped bushing being rotatably and axially nondisplaceably mounted in said fixed memberi 9.
  • a toe iron for safety ski bindings comprising a carrier mounted for pivotal movement relative to a ski, spring means biasing said carrier during pivotal movement of same tending to restore said carrier to its central position.
  • two soleholders pivotully mounted to said carrier on vertical X056 to engage laterally the toe portion of a skiing hoot uhuve lts mile, lock means normally locking suid aoleholders against pivotal movement, said lock means and said soleholders being mounted on a plate pivotally mounted to the carrier, means coacting with said lock means for unlocking said lock means automatically after a predetermined pivotal movement of the carrier from its central position against the force of said spring means.
  • a toe iron according to claim llt) wherein the carrier is an elongated body pivotally mounted at one end and the pivoted plate is pivoted to the other end of the carrier by means of a vertical pivot pin, said pivoted plate extending toward the pivotal axis which mounts the carrier.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US760861A 1967-09-28 1968-09-19 Toe iron for safety ski bindings Expired - Lifetime US3603607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0075708 1967-09-28

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US3603607A true US3603607A (en) 1971-09-07

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US760861A Expired - Lifetime US3603607A (en) 1967-09-28 1968-09-19 Toe iron for safety ski bindings

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US (1) US3603607A (cs)
CH (1) CH482452A (cs)
CS (1) CS149642B2 (cs)
DE (1) DE1578858A1 (cs)
FR (1) FR1582421A (cs)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734521A (en) * 1970-07-10 1973-05-22 Marker Hannes Toe iron for safety ski bindings
US3743308A (en) * 1971-08-09 1973-07-03 Allsop J Ski binding
US3744810A (en) * 1970-04-14 1973-07-10 Marker Hannes Toe iron for safety ski bindings
US3778075A (en) * 1970-12-07 1973-12-11 Reuge Sa Sainte Croix Ski binding
US3787070A (en) * 1971-02-16 1974-01-22 Salomon Georges P J Ski binding with lateral release
US3801118A (en) * 1971-06-10 1974-04-02 Gertsch Ag Releasable ski binding
US3806143A (en) * 1971-04-27 1974-04-23 S Wyss Safety ski binding
US3950002A (en) * 1972-04-06 1976-04-13 Gertsch Ag Front jaws for ski bindings
US20080048430A1 (en) * 2006-08-25 2008-02-28 Marker Deutschland Gmbh Boot retaining unit of a ski binding
US11173381B2 (en) * 2018-10-15 2021-11-16 Marker Deutschland Gmbh Front jaw

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT343027B (de) * 1976-04-14 1978-05-10 Smolka & Co Wiener Metall Skibindungsteil
DE3515847C2 (de) * 1985-05-02 1994-04-07 Marker Deutschland Gmbh Vorderbacken für Sicherheitsskibindungen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1126948A (fr) * 1955-02-15 1956-12-04 étrier de sécurité pour fixation de ski
FR1290975A (fr) * 1961-03-08 1962-04-20 Fixation pour ski
US3107102A (en) * 1961-04-10 1963-10-15 Ramillon Rene Safety securing means for skis
US3194574A (en) * 1962-06-01 1965-07-13 Beyl Jean Joseph Alfred Safety ski binder
US3396987A (en) * 1965-08-07 1968-08-13 Zimmermann Werner Safety head for ski binding
US3455570A (en) * 1966-10-28 1969-07-15 Georges P J Salomon Resilient binding for skis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1126948A (fr) * 1955-02-15 1956-12-04 étrier de sécurité pour fixation de ski
FR1290975A (fr) * 1961-03-08 1962-04-20 Fixation pour ski
US3107102A (en) * 1961-04-10 1963-10-15 Ramillon Rene Safety securing means for skis
US3194574A (en) * 1962-06-01 1965-07-13 Beyl Jean Joseph Alfred Safety ski binder
US3396987A (en) * 1965-08-07 1968-08-13 Zimmermann Werner Safety head for ski binding
US3455570A (en) * 1966-10-28 1969-07-15 Georges P J Salomon Resilient binding for skis

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744810A (en) * 1970-04-14 1973-07-10 Marker Hannes Toe iron for safety ski bindings
US3734521A (en) * 1970-07-10 1973-05-22 Marker Hannes Toe iron for safety ski bindings
US3778075A (en) * 1970-12-07 1973-12-11 Reuge Sa Sainte Croix Ski binding
US3787070A (en) * 1971-02-16 1974-01-22 Salomon Georges P J Ski binding with lateral release
US3806143A (en) * 1971-04-27 1974-04-23 S Wyss Safety ski binding
US3801118A (en) * 1971-06-10 1974-04-02 Gertsch Ag Releasable ski binding
US3743308A (en) * 1971-08-09 1973-07-03 Allsop J Ski binding
US3950002A (en) * 1972-04-06 1976-04-13 Gertsch Ag Front jaws for ski bindings
US20080048430A1 (en) * 2006-08-25 2008-02-28 Marker Deutschland Gmbh Boot retaining unit of a ski binding
US7758062B2 (en) * 2006-08-25 2010-07-20 Marker Deutschland Gmbh Boot retaining unit of a ski binding
US11173381B2 (en) * 2018-10-15 2021-11-16 Marker Deutschland Gmbh Front jaw

Also Published As

Publication number Publication date
FR1582421A (cs) 1969-09-26
DE1578858A1 (de) 1971-02-18
CS149642B2 (cs) 1973-07-25
CH482452A (de) 1969-12-15

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Owner name: MARKER-PATENTVERWERTUNGSGESELLSCHAFT MBH., BAAR, S

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MARKER, HANNES;REEL/FRAME:004089/0014

Effective date: 19820804

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Owner name: MARKER INTERNATIONAL COMPANY,UTAH

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARKER-PATENTVERWERTUNGSGELLSCHAFT GMBH;REEL/FRAME:004906/0245

Effective date: 19880331

Owner name: MARKER INTERNATIONAL COMPANY, P.O. BOX 26548, SALT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MARKER-PATENTVERWERTUNGSGELLSCHAFT GMBH;REEL/FRAME:004906/0245

Effective date: 19880331